./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eeab39c4b0b140806b3ddcf9e96fb8e36f66c5baac57da41aaf4e88167e6b080 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:17:13,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:17:13,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:17:13,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:17:13,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:17:13,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:17:13,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:17:13,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:17:13,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:17:13,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:17:13,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:17:13,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:17:13,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:17:13,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:17:13,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:17:13,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:17:13,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:17:13,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:17:13,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:17:13,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:17:13,647 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:17:13,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:17:13,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:17:13,647 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:17:13,647 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:17:13,648 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:17:13,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:17:13,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:13,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:17:13,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:17:13,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:17:13,648 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:17:13,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:17:13,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eeab39c4b0b140806b3ddcf9e96fb8e36f66c5baac57da41aaf4e88167e6b080 [2024-11-13 22:17:13,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:17:13,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:17:13,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:17:13,965 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:17:13,965 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:17:13,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c Unable to find full path for "g++" [2024-11-13 22:17:16,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:17:16,255 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:17:16,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c [2024-11-13 22:17:16,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/data/23324571f/717f89c225644d819087bac80dfd73c6/FLAGac8cc8c6d [2024-11-13 22:17:16,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/data/23324571f/717f89c225644d819087bac80dfd73c6 [2024-11-13 22:17:16,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:17:16,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:17:16,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:16,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:17:16,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:17:16,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ff54e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16, skipping insertion in model container [2024-11-13 22:17:16,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:17:16,484 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c[454,467] [2024-11-13 22:17:16,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:16,518 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:17:16,530 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c[454,467] [2024-11-13 22:17:16,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:16,557 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:17:16,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16 WrapperNode [2024-11-13 22:17:16,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:16,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:16,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:17:16,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:17:16,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,595 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-13 22:17:16,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:16,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:17:16,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:17:16,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:17:16,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:17:16,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:17:16,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:17:16,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:17:16,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:16,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:17:16,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:17:16,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:17:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:17:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:17:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:17:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:17:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:17:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:17:16,787 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:17:16,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:17:16,910 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 22:17:16,911 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:17:16,946 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:17:16,947 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:17:16,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:16 BoogieIcfgContainer [2024-11-13 22:17:16,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:17:16,949 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:17:16,949 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:17:16,960 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:17:16,960 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:16" (1/1) ... [2024-11-13 22:17:16,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:17:17,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 22:17:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 22:17:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:17:17,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:17,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:17,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:17,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 22:17:17,203 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 22:17:17,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:17:17,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:17,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:17,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:17,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:17,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 22:17:17,372 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 22:17:17,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:17:17,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:17,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:17:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:17,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:17:17,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-13 22:17:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-13 22:17:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:17:17,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:17,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:18,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:18,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:18,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 22:17:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 22:17:18,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:17:18,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:18,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:19,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2024-11-13 22:17:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-11-13 22:17:19,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:17:19,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:19,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:17:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:19,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:17:19,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:20,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2024-11-13 22:17:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2024-11-13 22:17:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:17:20,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:20,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:21,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:21,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 14 states and 15 transitions. [2024-11-13 22:17:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:17:21,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:17:21,059 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 22:17:21,070 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:17:21,279 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:17:21,279 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-13 22:17:21,279 INFO L77 FloydHoareUtils]: At program point L28-1(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-13 22:17:21,280 INFO L77 FloydHoareUtils]: At program point L27-1(lines 27 36) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post5#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (< ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0))) [2024-11-13 22:17:21,280 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: true [2024-11-13 22:17:21,280 INFO L77 FloydHoareUtils]: At program point L27-4(lines 27 36) the Hoare annotation is: true [2024-11-13 22:17:21,280 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:17:21,280 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-13 22:17:21,280 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-13 22:17:21,280 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-11-13 22:17:21,280 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:17:21,280 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (not (= |__VERIFIER_assert_#in~cond| 1)))) [2024-11-13 22:17:21,280 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:17:21,281 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-13 22:17:21,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:17:21 ImpRootNode [2024-11-13 22:17:21,298 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:17:21,299 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:17:21,299 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:17:21,299 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:17:21,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:16" (3/4) ... [2024-11-13 22:17:21,302 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:17:21,306 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 22:17:21,310 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 22:17:21,310 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 22:17:21,310 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:17:21,310 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:17:21,386 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:17:21,386 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:17:21,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:17:21,387 INFO L158 Benchmark]: Toolchain (without parser) took 5082.96ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 98.4MB in the end (delta: 20.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2024-11-13 22:17:21,387 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:21,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.14ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 108.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:17:21,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.55ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:21,388 INFO L158 Benchmark]: Boogie Preprocessor took 29.74ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.2MB in the end (delta: 505.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:21,388 INFO L158 Benchmark]: RCFGBuilder took 321.20ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 95.8MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:17:21,389 INFO L158 Benchmark]: CodeCheck took 4349.91ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 103.1MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:21,389 INFO L158 Benchmark]: Witness Printer took 86.87ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 98.4MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:17:21,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 190 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 151 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 429 IncrementalHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 113 mSDtfsCounter, 429 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 675 GetRequests, 587 SyntacticMatches, 12 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2016 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 2 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 9/16 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.14ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 108.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.55ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.74ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.2MB in the end (delta: 505.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.20ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 95.8MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4349.91ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 103.1MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.87ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 98.4MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:17:21,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e3d317-23b1-4f72-9544-a57a3b7c7a16/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE